60/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 58 Google reviews, listed on Google as “Window cleaning service”.
Best Window Cleaners in Derby, CT (2026)
73 window cleaners ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Derby: Tafur LLC, CR Score 60/100; 4.8★ from 58 Google reviews; open Saturdays until 5 PM.
- 4
Best for emergencies (open 24/7): Premier House Cleaning Services Of New Haven, posts 24/7 hours; ranked #4 of 73.
- 21
Most-reviewed: Merry Maids of Fairfield, 465 Google reviews at 4.8★, the most of 73 ranked; ranked #21.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
73 Derby window cleaners are ranked here by CR Score, from ten published factors. 13 are open 24/7, 52 open Saturdays and 34 open Sundays, based on posted hours. The median Google rating is 5.0★ across 73 rated businesses.
Top 10 window cleaners in Derby at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Tafur LLC | 60 | 4.8★ (58) | Shelton, 1 mi away | Sat · Evenings | Overall |
| 2 | All Clean LLC. | 60 | 4.9★ (170) | Danbury, 12 mi away | Sat · Sun | — |
| 3 | Ana Faustini’s Cleaning Services | 59 | 4.9★ (70) | Danbury, 5 mi away | Sat · Evenings | — |
| 4 | Premier House Cleaning Services Of New Haven | 59 | 4.8★ (35) | Milford, 9 mi away | 24/7 | Emergencies |
| 5 | Premier House Cleaning Services Of Bridgeport CT | 58 | 5.0★ (15) | Fairfield, 7 mi away | 24/7 | — |
| 6 | A1 Window Cleaning | 58 | 4.9★ (29) | West Haven, 6 mi away | Sat · Sun | — |
| 7 | Bluebird Window Cleaning | 58 | 5.0★ (99) | Milford, 14 mi away | Sat · Sun · Evenings | — |
| 8 | American Painting & Window Cleaning | 58 | 4.3★ (7) | Derby | 24/7 | — |
| 9 | G.S.O General Restaurant Cleaning | 58 | 5.0★ (15) | The Bronx, 9 mi away | 24/7 | — |
| 10 | Clarity Window Cleaning LLC | 57 | 5.0★ (75) | Stamford, 14 mi away | Sat · Sun · Evenings | — |
The 73 best window cleaners in Derby, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Danbury, 12 mi away
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 170 Google reviews, listed on Google as “Window cleaning service”.
Based in Danbury, 5 mi away
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 70 Google reviews, listed on Google as “Window cleaning service”.
Based in Milford, 9 mi away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 35 Google reviews, listed on Google as “Window cleaning service”.
Based in Fairfield, 7 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Window cleaning service”.
Based in West Haven, 6 mi away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 29 Google reviews, listed on Google as “Window cleaning service”.
Based in Milford, 14 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 99 Google reviews, listed on Google as “Window cleaning service”.
Based in Derby
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.3★ from 7 Google reviews, listed on Google as “Window cleaning service”.
Based in The Bronx, 9 mi away
58/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Window cleaning service”.
Based in Stamford, 14 mi away
57/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 75 Google reviews, listed on Google as “Window cleaning service”.
Based in Waterbury, 14 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 76 Google reviews, listed on Google as “Window cleaning service”.
Based in Waterbury, 2 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Window cleaning service”.
#13 G² Glass Bros
Based in Hamden, 9 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Window cleaning service”.
#14 Expert Cleaning
Based in Milford, 7 mi away
57/100CR ScoreRanked #14 because of its Google rating and review volume: 5.0★ from 258 Google reviews.
Based in Stratford, 7 mi away
57/100CR ScoreRanked #15 because of its Google rating and review volume: 4.9★ from 353 Google reviews.
Based in Fairfield, 13 mi away
57/100CR ScoreRanked #16 because of its Google rating and review volume: 5.0★ from 234 Google reviews.
Based in Stamford, 2 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 29 Google reviews, listed on Google as “Window cleaning service”.
Based in Hamden, 8 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Window cleaning service”.
Based in New Haven, 6 mi away
55/100CR ScoreRanked #19 because of its Google rating and review volume: 4.9★ from 78 Google reviews.
Based in Milford, 12 mi away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 13 Google reviews, listed on Google as “Window cleaning service”.
Based in Fairfield, 13 mi away
54/100CR ScoreRanked #21 because of its Google rating and review volume: 4.8★ from 465 Google reviews, the most in Derby.
Based in Milford, 5 mi away
54/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Window cleaning service”.
Based in West Hartford, 7 mi away
54/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.0★ from 5 Google reviews, listed on Google as “Window cleaning service”.
Based in Fairfield, 13 mi away
54/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 78 Google reviews, listed on Google as “Window cleaning service”.
#25 Maxime clean
Based in Fairfield, 13 mi away
54/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 28 Google reviews, listed on Google as “Window cleaning service”.
Window cleaners ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 73 ranked window cleaners here; the rest are on their profiles.
Also serving Derby
20 more window cleaners within 15 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Alba's Cleaning Services - House Cleaning & After Post Construction Cleaning | 5.0★ (1) | 13 mi |
| Blooming Cleaning Services | 5.0★ (1) | 13 mi |
| C&S Cleaning Services Llc | 5.0★ (1) | 13 mi |
| Cabello's Maintenance Cleaning | 5.0★ (2) | 14 mi |
| CMG Construction and Maintenance | 5.0★ (1) | 6 mi |
| DO Cleaning LLC | 1.0★ (1) | 5 mi |
| LBW LLC | 5.0★ (1) | 13 mi |
| Luso Cleaning Service LLC | 5.0★ (2) | 14 mi |
| Mac Professional Painting LLC | 5.0★ (2) | 12 mi |
| Magic Touch Window Cleaning | 3.0★ (2) | 7 mi |
| My Best Cleaning Services LLC - Professional Affordable General Commercial & Residential Offices | 5.0★ (2) | 10 mi |
| Platinum Janitorial Services, Inc. | 5.0★ (2) | 13 mi |
| Premier Window Washing | 4.0★ (1) | 7 mi |
| Primax Solution | 5.0★ (1) | 5 mi |
| Residential window cleaning TL | 5.0★ (2) | 2 mi |
| RJ Painting and Deck work | 5.0★ (1) | 12 mi |
| ServiceMaster Janitorial Solutions New Haven | 5.0★ (2) | 8 mi |
| Solar Cleaning Pros | 5.0★ (1) | 2 mi |
| The Lopez Painting & House Cleaning Service | 1.0★ (1) | 10 mi |
| Window Lickers And Bin Cleaning Services | 5.0★ (2) | 12 mi |
How we ranked Derby window cleaners
We scored 73 Derby window cleaners on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 2, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Derby data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Window cleaners in Derby: frequently asked questions
Who is the best window cleaner in Derby?
By CR Score, the highest-ranked window cleaner in Derby, CT is Tafur LLC with a CR Score of 60/100. It has 4.8★ from 58 Google reviews. It is open Saturdays until 5 PM. All Clean LLC. (#2) and Ana Faustini’s Cleaning Services (#3) follow. We ranked 73 window cleaners on ten factors, last updated November 2, 2026.
How many window cleaners are there in Derby?
ContractorsRanked ranks 73 window cleaners serving Derby, CT. 1 of them is based in Derby; the rest serve it from nearby towns. Another 20 within 15 mi are listed but not ranked yet. Counts are as of November 2026.
Which window cleaners in Derby are open 24/7?
13 ranked window cleaners in Derby post 24/7 hours. The highest-ranked are Premier House Cleaning Services Of New Haven (#4), Premier House Cleaning Services Of Bridgeport CT (#5) and American Painting & Window Cleaning (#8). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which window cleaners in Derby work on weekends?
52 of 73 ranked window cleaners post Saturday hours and 34 post Sunday hours. The highest-ranked open Saturdays are Tafur LLC (#1), All Clean LLC. (#2) and Ana Faustini’s Cleaning Services (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Derby window cleaners have?
The median Google rating among 73 rated window cleaners in Derby is 5.0★, with a median of 15 reviews. Merry Maids of Fairfield has the most, 465 reviews, and ranks #21. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank window cleaners?
Each window cleaner gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do window cleaners outside Derby count in this ranking?
Yes, if they are within 15 mi of the Derby city center, our service radius for window cleaners. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Can window cleaners pay to rank higher on ContractorsRanked?
No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.
Update log for Derby
- November 2026: CR Scores recalculated for 73 window cleaners serving Derby.
More window cleaners and Derby pages
Window cleaners near Derby
- Window cleaners in Shelton, CT71 ranked
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- Window cleaners in Oxford, CT53 ranked
- Window cleaners in West Haven, CT55 ranked
- Window cleaners in New Haven, CT54 ranked
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